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<title>Insert title here</title>
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	Volumen de una esfera
	<br />
	<br />
	<form action="EsferaServlet" method="post">
		Radio: <input type="text" name="txtRadio" /> <br /> <br /> <input
			type="submit" value="Calcular" />
	</form>
	<%
		Double volumen = (Double) request.getAttribute("VOLUMEN_ESFERA");

		if (volumen != null) {

			out.println("el volumen es : " + volumen);

		}
	%>

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